You definitely need to do your research for this one! Of course, it won't be too hard if you go to the right place for your caching answers. No no no , not the Internet, not google, not Yahoo, or Bing, this time you will need to get out of the house. Go back to your roots, and hit the books. We are firm believers that books still have a purpose, and we stand behind the importance of local libraries; even if they are small!